From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id B3104C02182 for ; Tue, 21 Jan 2025 12:47:24 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1C0516B007B; Tue, 21 Jan 2025 07:47:24 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 171E66B0082; Tue, 21 Jan 2025 07:47:24 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 010656B0083; Tue, 21 Jan 2025 07:47:23 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id D71816B007B for ; Tue, 21 Jan 2025 07:47:23 -0500 (EST) Received: from smtpin08.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 5F9BFC0A33 for ; Tue, 21 Jan 2025 12:47:23 +0000 (UTC) X-FDA: 83031434766.08.DB080A8 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) by imf24.hostedemail.com (Postfix) with ESMTP id 9173218000A for ; Tue, 21 Jan 2025 12:47:20 +0000 (UTC) Authentication-Results: imf24.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=KjoDAYNj; spf=pass (imf24.hostedemail.com: domain of lkp@intel.com designates 198.175.65.12 as permitted sender) smtp.mailfrom=lkp@intel.com; dmarc=pass (policy=none) header.from=intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1737463641; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=19KfCod9P/1qSEx1HGCtmU3WIxICXdpHYBuEfpzL+eA=; b=ljKxCfX271pWSNld4RKXSKb6f+jPjZAnhEw6bElTd2rAtcdu8nw6u93P3iFos8Ki4qCeAd 5Yu/uS8bS3n0SndKRCgvVR2Sr9V+ZW4r6x00kwiXv4xdoPnqAPBxdcuzYMKfXYc47nJYmN 4kmd9k9r2O67NSe9JnwSVxC16VsH9Gs= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1737463641; a=rsa-sha256; cv=none; b=BkkyiaVdQMOahwyVIeL4pjHwo2+nRranVnLaCa3oynNd3tB6RWWHZRc6RtOMZr2muM+1UT OFlDs1CRUP/oDNItLxSi4P/kqj/3qxS5+1lG/Pp90PguGqbeSrfUDjI/GOsHgBMLs9cVO3 Q5UmTq+mVMx98Y73CjWzCMCbY4NUR5w= ARC-Authentication-Results: i=1; imf24.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=KjoDAYNj; spf=pass (imf24.hostedemail.com: domain of lkp@intel.com designates 198.175.65.12 as permitted sender) smtp.mailfrom=lkp@intel.com; dmarc=pass (policy=none) header.from=intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1737463641; x=1768999641; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=hsQ0irnUWCbqyyftsVatPsmhSvts6eSOOc9hF5wEils=; b=KjoDAYNjLIDw/sht8F75rXxNH5UnPNlOSA9bdQlAzd29L4wKWR9B0Hoj IyW6ywnCrTIx21BM4IOtMYNuX6saAqylOVtdVNQq2jcIAJLiHrB/8nyFG FKwct9NKt10Xl8vZR0FqPo5AqYkTynphKwvjRvebWZ08yTScbfSIuWPO9 gMiZE2F6cQ1JOCbAEbPweda45EcuuXX296ChFOUeTnSjiAp1Z2/JKIA+F 0MaRlD4WzxP+l/RdC7Ixd0ugNkBYxU6MIg+LiUCIKBiuFBhJeW7Xjsfdm BOUxW3xe0yA8wgL3TxCFDUIwR2rPgfOh0Bg7Wf6VuYroPrYcOPCMBS+T3 g==; X-CSE-ConnectionGUID: Bn2cnz/DRqq1eSSi4WQPpg== X-CSE-MsgGUID: IPSMbakoSG2mfiAEs1dxWQ== X-IronPort-AV: E=McAfee;i="6700,10204,11322"; a="49268582" X-IronPort-AV: E=Sophos;i="6.13,222,1732608000"; d="scan'208";a="49268582" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jan 2025 04:47:20 -0800 X-CSE-ConnectionGUID: caDfTlUvQqmepWN4IGQoSg== X-CSE-MsgGUID: z+wT1ghtRfGhPn4lqjHXsA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="130077721" Received: from lkp-server01.sh.intel.com (HELO d63d4d77d921) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 21 Jan 2025 04:47:15 -0800 Received: from kbuild by d63d4d77d921 with local (Exim 4.96) (envelope-from ) id 1taDez-000Y2X-1H; Tue, 21 Jan 2025 12:47:13 +0000 Date: Tue, 21 Jan 2025 20:46:57 +0800 From: kernel test robot To: Hyesoo Yu Cc: oe-kbuild-all@lists.linux.dev, janghyuck.kim@samsung.com, Hyesoo Yu , Andrew Morton , Jonathan Corbet , Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Vlastimil Babka , Roman Gushchin , Hyeonggon Yoo <42.hyeyoo@gmail.com>, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm: slub: Panic if the object corruption is checked. Message-ID: <202501212026.lUnLNhv6-lkp@intel.com> References: <20250120082908.4162780-1-hyesoo.yu@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250120082908.4162780-1-hyesoo.yu@samsung.com> X-Rspamd-Queue-Id: 9173218000A X-Stat-Signature: u8rdbxt7j3hot7h1eszga4oxph387imm X-Rspam-User: X-Rspamd-Server: rspam12 X-HE-Tag: 1737463640-765129 X-HE-Meta: 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 X+cKIP0+ z+k9m6c6bKoYfvjhPAdee5YtS+3Y10rzP0ZU1EQ9si3vxa7R7mOHzI/cagE1QTNz367LYME/5mh9YaYF9yBRNaSu4+SdieC397i7sQadgMePJvOWL0BuIajHdF238ao0jCxYQLpOgzxsP458NyaWMjFi6/orWBzyHjHC3Aw6wqHyXONyaS3P/v4o0wNkM4S5XAyFAzX+nbyMWTUlSX4cDgKFQCRG4tkd0koo56MaUJOvsMqsXkmiK+LecSl+TFpt1vBQpq6ZD6RCF9NbbnAUWdUR/z4Jjuyvw2+gHoLdJ3Vqhh00HD9R9PcjIqpmdevnob8upGhZ/CBoX6zIcklnQlMJ+ZYS5GZFivMo3uJlg0WLBJ2sfdK0xoKUN/TvcLnINHnTPe6Lte53MYyjyu7c7TzyaGrBi6WgjfRY0jp6+bi0W0Go= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Hyesoo, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Hyesoo-Yu/mm-slub-Panic-if-the-object-corruption-is-checked/20250120-163233 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20250120082908.4162780-1-hyesoo.yu%40samsung.com patch subject: [PATCH] mm: slub: Panic if the object corruption is checked. config: mips-randconfig-r111-20250121 (https://download.01.org/0day-ci/archive/20250121/202501212026.lUnLNhv6-lkp@intel.com/config) compiler: mips-linux-gcc (GCC) 14.2.0 reproduce: (https://download.01.org/0day-ci/archive/20250121/202501212026.lUnLNhv6-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202501212026.lUnLNhv6-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> mm/slub.c:1308:9: sparse: sparse: cast from restricted slab_flags_t mm/slub.c:1394:17: sparse: sparse: cast from restricted slab_flags_t mm/slub.c:4440:47: sparse: sparse: context imbalance in '__slab_free' - unexpected unlock vim +1308 mm/slub.c 1273 1274 /* Check the pad bytes at the end of a slab page */ 1275 static pad_check_attributes void 1276 slab_pad_check(struct kmem_cache *s, struct slab *slab) 1277 { 1278 u8 *start; 1279 u8 *fault; 1280 u8 *end; 1281 u8 *pad; 1282 int length; 1283 int remainder; 1284 1285 if (!(s->flags & SLAB_POISON)) 1286 return; 1287 1288 start = slab_address(slab); 1289 length = slab_size(slab); 1290 end = start + length; 1291 remainder = length % s->size; 1292 if (!remainder) 1293 return; 1294 1295 pad = end - remainder; 1296 metadata_access_enable(); 1297 fault = memchr_inv(kasan_reset_tag(pad), POISON_INUSE, remainder); 1298 metadata_access_disable(); 1299 if (!fault) 1300 return; 1301 while (end > fault && end[-1] == POISON_INUSE) 1302 end--; 1303 1304 slab_err(s, slab, "Padding overwritten. 0x%p-0x%p @offset=%tu", 1305 fault, end - 1, fault - start); 1306 print_section(KERN_ERR, "Padding ", pad, remainder); 1307 > 1308 BUG_ON(s->flags & SLAB_CORRUPTION_PANIC); 1309 1310 restore_bytes(s, "slab padding", POISON_INUSE, fault, end); 1311 } 1312 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki